Rear bumper for a car



FIG. 1 is a front perspective view of the rear bumper for a car showingmy design thereof;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The ornamental design for a rear bumper for a car, as shown anddescribed.